U.S. bombs militants in Iraq as crisis worsens

Kurdish Peshmerga fighters take cover during airstrikes targeting Islamic State militants near the Khazer checkpoint outside of the city of Irbil in northern Iraq, Friday. Iraqi Air Force has been carrying out strikes against the militants, and for the first time on Friday, U.S. war planes have directly targeted the extremist Islamic State group, which controls large areas of Syria and Iraq. (AP Photo/ Khalid Mohammed)

Smoke rises after airstrikes targeting Islamic State militants near the Khazer checkpoint outside of the city of Irbil in northern Iraq, Friday. Iraqi Air Force has been carrying out strikes against the militants, and for the first time on Friday, U.S. war planes have directly targeted the extremist Islamic State group, which controls large areas of Syria and Iraq. (AP Photo/ Khalid Mohammed)

Kurdish Peshmerga fighters detain a man suspected as a militant for the Islamic State group, as airstrikes by the U.S. forces target those militants near the Khazer checkpoint outside of the city of Irbil in northern Iraq, Friday. The airstrikes were launched outside the Kurdish regional capital Irbil, and marked the first time U.S. forces have directly targeted the extremist Islamic State group, which controls large areas of Syria and Iraq. (AP Photo/ Khalid Mohammed)

Kurdish Peshmerga fighters stand guard during airstrikes targeting Islamic State militants at the Khazer checkpoint outside of the city of Irbil in northern Iraq, Friday. Iraqi Air Force has been carrying out strikes against the militants, and for the first time on Friday, U.S. war planes have directly targeted the extremist Islamic State group, which controls large areas of Syria and Iraq. (AP Photo/ Khalid Mohammed)